SSP variation. The product is a 2021 Stadium Club Chrome Jo Adell Rookie '91 Design Wave Refractor trading card graded CGC 10, showcasing the talented baseball player Jo Adell. This sports trading card is part of the Stadium Club set and features a unique Wave parallel design, making it a valuable addition to any collector's card collection. The CGC 10 grading indicates that the card is in excellent condition, perfect for fans and enthusiasts looking to own a piece of sports memorabilia from the 2021 season.